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Wilfried Gappmair
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Further results on the capacity of free-space optical channels in turbulent atmosphere
W Gappmair
IET communications 5 (9), 1262-1267, 2011
2132011
Performance of PPM on terrestrial FSO links with turbulence and pointing errors
W Gappmair, S Hranilovic, E Leitgeb
IEEE Communications Letters 14 (5), 468-470, 2010
1802010
Error performance of coded FSO links in turbulent atmosphere modeled by gamma-gamma distributions
W Gappmair, M Flohberger
IEEE transactions on wireless communications 8 (5), 2209-2213, 2009
1232009
OOK performance for terrestrial FSO links in turbulent atmosphere with pointing errors modeled by Hoyt distributions
W Gappmair, S Hranilovic, E Leitgeb
IEEE communications letters 15 (8), 875-877, 2011
1202011
Subcarrier PSK performance in terrestrial FSO links impaired by gamma-gamma fading, pointing errors, and phase noise
W Gappmair, HE Nistazakis
Journal of lightwave technology 35 (9), 1624-1632, 2017
692017
Error performance of PPM/Poisson channels in turbulent atmosphere with gamma-gamma distribution
W Gappmair, SS Muhammad
Electronics Letters 43 (16), 880-882, 2007
622007
Cramer-Rao lower bound and EM algorithm for envelope-based SNR estimation of nonconstant modulus constellations
W Gappmair, R López-Valcarce, C Mosquera
IEEE Transactions on Communications 57 (6), 1622-1627, 2009
612009
Cramer-Rao lower bound for non-data-aided SNR estimation of linear modulation schemes
W Gappmair
IEEE transactions on communications 56 (5), 689-693, 2008
542008
Symbol rate estimation with inverse fourier transforms
M Flohberger, W Kogler, W Gappmair, O Koudelka
2006 International Workshop on Satellite and Space Communications, 110-113, 2006
372006
Novel results on pulse-position modulation performance for terrestrial free-space optical links impaired by turbulent atmosphere and pointing errors
W Gappmair
IET communications 6 (10), 1300-1305, 2012
322012
Hybrid space-ground processing for high-capacity multi-beam satellite systems
J Arnau-Yanez, M Bergmann, EA Candreva, GE Corazza, R De Gaudenzi, ...
2011 IEEE Global Telecommunications Conference-GLOBECOM 2011, 1-6, 2011
322011
Claude E. Shannon: The 50th anniversary of information theory
W Gappmair
IEEE Communications Magazine 37 (4), 102-105, 1999
321999
Error performance of terrestrial FSO links modelled as PPM/Poisson channels in turbulent atmosphere
W Gappmair, SS Muhammad
Electronics Letters 43 (5), 302-304, 2007
282007
Modulation classifier for signals used in satellite communications
M Flohberger, W Gappmair, O Koudelka
2010 5th Advanced Satellite Multimedia Systems Conference and the 11th …, 2010
232010
SIMO subcarrier PSK FSO links with phase noise and non‐zero boresight pointing errors over turbulence channels
GK Varotsos, HE Nistazakis, W Gappmair, HG Sandalidis, GS Tombras
IET communications 13 (7), 831-836, 2019
222019
DF relayed subcarrier FSO links over Malaga turbulence channels with phase noise and non-zero boresight pointing errors
GK Varotsos, HE Nistazakis, W Gappmair, HG Sandalidis, GS Tombras
Applied Sciences / Special Issue: Optical Wireless Communications 8 (5), 15, 2018
222018
Joint NDA estimation of carrier frequency/phase and SNR for linearly modulated signals
W Gappmair, R López-Valcarce, C Mosquera
IEEE Signal Processing Letters 17 (5), 517-520, 2010
222010
ML and EM algorithm for non-data-aided SNR estimation of linearly modulated signals
W Gappmair, R Lopez-Valcarce, C Mosquera
2008 6th International Symposium on Communication Systems, Networks and …, 2008
212008
Iterative envelope-based SNR estimation for nonconstant modulus constellations
R Lopez-Valcarce, C Mosquera, W Gappmair
2007 IEEE 8th Workshop on Signal Processing Advances in Wireless …, 2007
192007
Extended Gardner Detector for Improved Symbol-Timing Recovery of -PSK Signals
W Gappmair, S Cioni, GE Corazza, O Koudelka
IEEE transactions on communications 54 (11), 1923-1927, 2006
172006
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